[Radiance-general] Spectrophotometer Data to Radiance Surface Descriptions

[Lars O. Grobe]

Hi!

> The material color is the "included" Yxy converted to RGB for metal, and
> the "excluded" Yxy converted to RGB for plastic. The conversions are
> given in ray/src/cal/cal/xyz_rgb.cal.

In cases where you have the spectrum as it comes from the spectrometer, 
you can also use mgfilt's ability to handle reflection spectra and 
convert to rgb...

Cheers, Lars.

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